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 ###Instrução: Qual condado tem uma matrícula de 297?
 ###Tabelas: CREATE TABLE known_disk_logical_formats (known_disk_logical_formats_id AUTO_INCREMENT PRIMARY KEY, Platform VARCHAR, Size VARCHAR, Density VARCHAR, Bytes/ sector INT, Sectors/ track VARCHAR, Tracks/ side VARCHAR, Sides INT, Capacity VARCHAR, Encoding VARCHAR) CREATE TABLE  (_id AUTO_INCREMENT PRIMARY KEY, School VARCHAR, Location VARCHAR, Mascot VARCHAR, Enrollment INT, IHSAA Class VARCHAR, County VARCHAR) CREATE TABLE race_data (race_data_id AUTO_INCREMENT PRIMARY KEY, Finish VARCHAR, Race VARCHAR, Distance VARCHAR, Jockey VARCHAR, Time VARCHAR, Victory Margin (in lengths) VARCHAR, Runner up VARCHAR, Track VARCHAR, Surface VARCHAR, Date VARCHAR) CREATE TABLE composition_of_the_17th_seanad (composition_of_the_17th_seanad_id AUTO_INCREMENT PRIMARY KEY, Administrative Panel INT, Agricultural Panel INT, Cultural and Educational Panel INT, Industrial and Commercial Panel INT, Labour Panel INT, National University of Ireland INT, University of Dublin INT, Nominated by the Taoiseach INT, Total INT) CREATE TABLE snap-ins_and_hosts (snap-ins_and_hosts_id AUTO_INCREMENT PRIMARY KEY, Application VARCHAR, Version VARCHAR, Cmdlets VARCHAR, Provider VARCHAR, Management GUI VARCHAR)  
SELECT County FROM  WHERE Enrollment = 297